Abstract
AbstractNitrogen balance studies were conducted to quantify the nitrogen fixed by peanut/Rhizobium symbiotic system under field conditions in a sandy soil. Large scale inoculation with three NifTAL strains of cowpea rhizobia, 1000, 169, 1371 was done using two inoculation techniques: peat‐based inoculant or injection of inoculant with irrigation water through an injection tank attached to the central pivot system.The results show nitrogen fixation amounting up to 186 kg N ha−1 in peat‐based inoculant and 171 kg N ha−1 in liquid inoculant injected through the irrigation system. However, no significant differences in yield response were recorded between both inoculation techniques.
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